English verb conjugation
CAN FABLE

Regular verb: fable - fabled - fabled

Affirmation

Simple form	V-ing form
I can fable you can fable he can fable we can fable you can fable they can fable	I can be fabling you can be fabling he can be fabling we can be fabling you can be fabling they can be fabling
Perfect	V-ing perfect
I can have fabled you can have fabled he can have fabled we can have fabled you can have fabled they can have fabled	I can have been fabling you can have been fabling he can have been fabling we can have been fabling you can have been fabling they can have been fabling

Negation

Simple form	V-ing form
I cannot fable you cannot fable he cannot fable we cannot fable you cannot fable they cannot fable	I cannot be fabling you cannot be fabling he cannot be fabling we cannot be fabling you cannot be fabling they cannot be fabling
Perfect	V-ing perfect
I cannot have fabled you cannot have fabled he cannot have fabled we cannot have fabled you cannot have fabled they cannot have fabled	I cannot have been fabling you cannot have been fabling he cannot have been fabling we cannot have been fabling you cannot have been fabling they cannot have been fabling

Interrogative form

Simple form	V-ing form
can I fable? can you fable? can he fable? can we fable? can you fable? can they fable?	can I be fabling? can you be fabling? can he be fabling? can we be fabling? can you be fabling? can they be fabling?
Perfect	V-ing perfect
can I have fabled? can you have fabled? can he have fabled? can we have fabled? can you have fabled? can they have fabled?	can I have been fabling? can you have been fabling? can he have been fabling? can we have been fabling? can you have been fabling? can they have been fabling?

Interro-negative form

Simple form	V-ing form
can I not fable? can you not fable? can he not fable? can we not fable? can you not fable? can they not fable?	can I not be fabling? can you not be fabling? can he not be fabling? can we not be fabling? can you not be fabling? can they not be fabling?
Perfect	V-ing perfect
can I not have fabled? can you not have fabled? can he not have fabled? can we not have fabled? can you not have fabled? can they not have fabled?	can I not have been fabling? can you not have been fabling? can he not have been fabling? can we not have been fabling? can you not have been fabling? can they not have been fabling?